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Riina Maria Korpela

@riinamariakorpela

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Senior Frontend Developer specializing in React and TypeScript, building maintainable, user-centric web apps.

Spain

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What I'm looking for

I seek a collaborative, growth-minded role where I lead frontend architecture, mentor developers, and build accessible, high-performance web apps.

I am a motivated Senior Frontend Developer with extensive experience building user-centric web applications using React and TypeScript. I focus on writing clean, maintainable, and scalable code while championing accessibility and performance.

At coditramuntana I led the modernization of an industrial internal platform, migrating AngularJS to React, defining architecture, mentoring team members, and implementing state management with Redux. I engineered dynamic data visualizations with D3.js and enforced reusable design systems using SCSS/Bootstrap.

Previously I led frontend efforts at Life at One Beyond, delivering SEO-optimized landing pages, improving a shared component library, and using React, Next.js, and TypeScript to boost lead generation and performance. I also actively contribute to knowledge sharing and mental health initiatives.

My background includes full-stack and Java work early in my career, refactoring legacy banking platforms and supporting e-commerce systems. I bring strong team leadership, proactive problem solving, and a results-oriented approach to every project.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend Developer

Current

Coditramuntana

Aug 2023 - Present (2 years 2 months)

Led modernization of an industrial company's internal web platform by migrating AngularJS to React with Redux, implemented reusable components and themes, and built D3.js visualizations to improve data insights and maintainability.

React TypeScript Redux Bootstrap D3.Js

Frontend Developer

Life at One Beyond

Apr 2021 - Aug 2023 (2 years 4 months)

Led frontend development on a major international project using React and Next.js, delivered SEO-optimized pages that increased lead generation and improved a shared component library for cross-project reuse.

React Next.js TypeScript SEO CSS Modules SASS Accessibility Component Libraries

Frontend Developer

AtSistemas

Jul 2020 - Apr 2021 (9 months)

Delivered two client projects end-to-end using TypeScript, React and Next.js, focusing on high-performance, modern frontend implementations and timely project delivery.

TypeScript React Next.js Performance Optimization Responsive Design Git CSS

Full Stack Developer

SCI Serviclients

May 2018 - Jul 2020 (2 years 2 months)

Led refactor of a legacy banking platform to a modern React and TypeScript stack with Redux and Material UI, improving scalability and user experience across the application.

React TypeScript Redux Material UI Refactoring JavaScript UI

Full Stack Developer

Randstad España

Apr 2017 - May 2018 (1 year 1 month)

Maintained and supported MediaMarkt e-commerce processes, contributed to internationalization and developed new modules using Java, SQL and frontend technologies to ensure operational continuity.

Java SQL jQuery HTML5 CSS3 Internationalization Full Stack

Java Developer

Grupo GFT

Aug 2016 - Apr 2017 (8 months)

Supported development of banking platform features, gaining hands-on frontend experience with CSS3 and JavaScript while assisting senior developers on back-end Java components.

Java JavaScript jQuery CSS3 Frontend Development Team Collaboration

Web Development Intern

MYC Communications Strategy Studios

May 2016 - Jul 2016 (2 months)

Completed web development internship focused on visual updates and maintenance for client websites using PHP, HTML and CSS to ensure cross-browser consistency.

PHP HTML CSS Cross Browser Testing Visual Design Maintenance

Education

Degrees, certifications, and relevant coursework

IES Nicolau Copèrnic

Grado Superior en Desarrollo de Aplicaciones Web, Web Application Development

2014 - 2016

Grade: 8.68

Completed a Grado Superior en Desarrollo de Aplicaciones Web (Higher Degree in Web Application Development) with a GPA of 8.68, focusing on web technologies and application development.